CN102840407A - Composite rubber air channel capable of bearing negative pressure and high pressure and assembling method thereof - Google Patents
Composite rubber air channel capable of bearing negative pressure and high pressure and assembling method thereof Download PDFInfo
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- CN102840407A CN102840407A CN2012103521764A CN201210352176A CN102840407A CN 102840407 A CN102840407 A CN 102840407A CN 2012103521764 A CN2012103521764 A CN 2012103521764A CN 201210352176 A CN201210352176 A CN 201210352176A CN 102840407 A CN102840407 A CN 102840407A
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- air channel
- rubber air
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- steel loop
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Abstract
The invention discloses a composite rubber air channel capable of bearing negative pressure and high pressure and an assembling method thereof. The composite rubber air channel comprises a rubber air channel main body and a support steel ring with an installation hole, wherein the support steel ring is positioned inside and/or outside the rubber air channel main body; the rubber air channel main body is also provided with an installation hole which is aligned with the installation hole on the support steel ring; and the support steel ring is arranged on the rubber air channel main body through a bolt, a gasket and a nut. The assembling method comprises the following steps of: preparing the rubber air channel main body; determining the quantity and positions of the support steel ring(s); installing the bolt and the nut; and screwing, sealing and assembling. The composite rubber air channel is convenient to assemble, can bear negative pressure and high pressure, is mainly applied to flexible connection of air conditioner cabinets of various rolling stocks and vehicle body ventilation pipelines, and can be suitable for any flexible connection and ventilation positions of engineering machinery and the like simultaneously.
Description
Technical field
The present invention relates to a kind of air channel and assembling method thereof, particularly a kind of compounded rubber air channel and assembling method thereof that refers to bear negative pressure and big pressure.
Background technique
The rubber air channel is a kind of ventilation duct that is used to flexibly connect of using always, and can be widely used in the various ventilation occasions that flexibly connect, and especially in the ventilation system of rolling stock, uses very general.Wherein use most often gum air channel.There are its some advantages in the gum air channel, and it is that they can satisfy the basic demand that flexibly connects with general follow board that shortcoming, advantage are also arranged simultaneously; Shortcoming is, when product bears negative pressure, and the rubber contraction deformation in gum air channel; Ventilation section is amassed reduce, can not satisfy the ventilation requirement; Or during big pressure, the rubber in gum air channel expands outwardly, and interferes with parts on every side, and product is destroyed.
Along with the development of rolling stock technology, the particularly development of speed car technology, running velocity is more and more faster, therefore crosses or during access tunnel, the car body annex can form powerful subnormal ambient, and the pressure of ventilation system is also increasing at vehicle.The usage requirement of these environment can not have been satisfied in the gum air channel, and this rubber air channel that can bear negative pressure and big pressure that just needs a kind of new structure of research is to satisfy these requirements.
In the existing technology; The compound air duct that other are also arranged; Like notice of authorization number is the Chinese utility model patent NEW TYPE OF COMPOSITE air channel of CN 201214421Y; By two-layer aluminium foil, form at inboard two-layer foaming body of said aluminium foil and vulcanite five layer materials that are clipped between the two-layer foaming body, two ends, said air channel respectively are provided with and are used for the link that is connected with other air channel.Notification number is that a kind of train of Chinese utility model patent of CN201362256Y is used the air channel, has the air channel housing, and the air channel housing adopts aluminum alloy material to process, and the inwall of housing is provided with acoustical cotton in the air channel, is coated with anti-condensation material at outer wall.Notification number is the Chinese patent " cliche frame posture composite sheet air channel " of CN2233059; This composite sheet air channel is made up of shell, frame column and air channel interface; Shell is to be processed by the composite sheet with outer protective layer insulation noise elimination mesosphere and sheath; The outer corner of shell is provided with embedded enhancing rubber cement and solidifies frame column or metal board-coated frame column, and the shell end is provided with flange or inner sleeve air channel interface, and connects as one with frame column curing.These compound air ducts, or can not bear big pressure, otherwise weight own is heavier, assembles not to be very convenient.Be necessary further to improve.
Summary of the invention
The technical problem that the present invention will solve is the deficiency to existing rubber air channel, provides a kind of not only easy to assembly but also can bear the compounded rubber air channel and the assembling method thereof of negative pressure and big pressure.
For solving the problems of the technologies described above, the technological scheme that the present invention adopted is:
The said compounded rubber air channel that can bear negative pressure and big pressure comprises the support steel loop of rubber air channel main body, band mounting hole, the inside that said support steel loop is positioned at rubber air channel main body with or the outside; Also be provided with the mounting hole that can align with the mounting hole on supporting steel loop on the main body of said rubber air channel, said support steel loop is installed on the main body of rubber air channel through bolt, pad and nut.
Said rubber air channel main body is made through sulfuration by elastic rubbery body.Rubber air channel main body realizes sealing with the mounting hole place that supports steel loop through on nut, applying suitable pretightening force distance.The size of said compounded rubber air channel diameter during according to normal pressure the size of ventilation confirm; The size of the quantity that supports steel loop and position ventilation when bearing negative pressure and when bearing big pressure the range of expansion in air channel confirm.Said support steel loop adopts stainless steel, and quantity is one or more and evenly distributes; Mounting hole quantity on the said support steel loop is to distribute more than two or two and evenly.Be coated with happy safe fastening glue when said bolt is assembled on the surface, said nut adopts lock nut.
The said assembling method that can bear the negative pressure and the compounded rubber air channel of big pressure may further comprise the steps:
(1) be ready to rubber air channel main body: the size of ventilation is confirmed the size of rubber air channel main diameter during according to normal pressure; Elastic rubbery body is made into rubber air channel main body through sulfuration; And body surfaces forms the punching position sign in the rubber air channel to pass through mould; According to punching position sign, with punching pin on the main body of rubber air channel towards good mounting hole;
(2) confirm to support the quantity and the position of steel loop: the size of ventilation range of expansion in air channel when bearing big pressure confirms to support the quantity and the position of steel loop when bearing negative pressure; The inside that the support steel loop that is drilled with the corresponding mounting hole is placed on the rubber air channel with or the outside, and make the mounting hole and the mounting hole alignment of supporting on the steel loop on the main body of rubber air channel;
(3) construction bolt nut: a pad is respectively put at the mounting hole place supporting steel loop surface and rubber air channel body surfaces, the bolt ecto-entad is passed the mounting hole of pad, rubber air channel main body, support steel loop again, and nut is screwed on the bolt;
(4) tighten sealing, accomplish assembling: on nut, apply suitable pretightening force distance, realize the sealing at rubber air channel and steel loop mounting hole place, accomplish the assembling in said compounded rubber air channel.
When negative pressure was born in said compounded rubber air channel, the rubber that do not have to support the steel loop supporting zone can inside recessed distortion under the effect of pressure, causes vent area to reduce.When the rubber deformation position extended to the steel loop Support Position, the rigidity that supports steel loop can stop rubber to continue distortion, keeps ventilation section long-pending constant, guarantees suitable ventilation.When big pressure is born in said compounded rubber air channel; No steel loop supporting zone rubber can be under the effect of pressure outside dilatancy; When the rubber deformation position extends to support steel loop Support Position; The rigidity that supports steel loop can stop rubber to continue dilatancy, thereby the amount of deformation in rubber air channel is limited within certain scope.
Through regulating the size of rubber air channel diameter, the size of ventilation when regulating normal pressure; Through the quantity and the position of adjustable support steel loop, the range of expansion in the size of regulating ventilation when bearing negative pressure air channel when bearing big pressure.
As further improvement of the present invention, support steel loop and adopt stainless steel, can corrosion protection.
As further improvement of the present invention, nut adopts lock nut, the inefficacy that comes off of prevention nut.
As further improvement of the present invention, on bolt, be coated with happy safe solid glue during assembling and play a part fastening and sealing.
As further improvement of the present invention, the quantity that supports steel loop is more than or equal to 1 and evenly distribution.
As further improvement of the present invention, the mounting hole on each support steel loop is more than or equal to 2 and evenly distribution.
Said compounded rubber air channel is easy to assembly; Can bear negative pressure and big pressure; Be mainly used in the various kinds of vehicles vehicle the flexibly connecting of Air conditioner cabinet and car body ventilation duct; Especially for the Air conditioner cabinet of bullet train and flexibly connecting of car body ventilation duct, also go for any positions that flexibly connect and ventilate such as engineering machinery simultaneously.
Description of drawings
Fig. 1 is for bearing the form structure schematic representation in the negative pressure and the compounded rubber air channel of big pressure;
Fig. 2 is the local structure for amplifying schematic representation in A place among Fig. 1;
Fig. 3 (a) launches schematic representation before supporting the steel loop welding;
Fig. 3 (b) is the radial section structural representation behind the support steel loop welding forming.
Among the figure: 1, rubber air channel main body; 2, bolt; 3, pad; 4, support steel loop; 5, nut.
Embodiment
Extremely shown in Figure 3 like Fig. 1 is a said embodiment that can bear the negative pressure and the compounded rubber air channel of big pressure, comprises the support steel loop 4 of rubber air channel main body 1, band mounting hole, and said support steel loop 4 is positioned at the inside of rubber air channel main body 1; Also be provided with the mounting hole that can align with the mounting hole on supporting steel loop 4 on the said rubber air channel main body 1, said compounded rubber air channel is mainly assembled through bolt 2, pad 3 and nut 5 with support steel loop 4 by rubber air channel main body 1 and forms.
The assembling in said compounded rubber air channel is accomplished according to following mode, and elastic rubbery body is formed rubber air channel main body 1 through sulfuration, and main body 1 surface forms the punching position sign in the rubber air channel through mould, is convenient to the punching location; According to the home position, with punching pin in the rubber covering punching; The support steel loop 4 that is drilled with mounting hole is placed on the inside of rubber air channel main body 1; And the mounting hole of rubber air channel main body 1 and the mounting hole that supports on the steel loop 4 are alignd; Respectively put a pad 3 on support steel loop 4 surfaces and place, rubber air channel main body 1 mounted on surface hole then, again bolt 2 ecto-entads are passed pad 3, rubber air channel main body 1, support steel loop 4, nut 5 is installed at last; And on nut 5, apply suitable pretightening force distance, realize rubber air channel main body 1 and the sealing of supporting steel loop 4 installation places.
As additional embodiments of the present invention, the places different with the foregoing description are, on the basis of the foregoing description, also are included in the outside of rubber air channel main body 1 or externally also install with inside and support steel loop 4, and concrete assembling method is similar to the above embodiments.
When negative pressure was born in said compounded rubber air channel, do not have supporting steel loop 4 supporting zone rubber can inside recessed distortion under the effect of pressure, causes vent area to reduce.When the rubber deformation position extended to support steel loop Support Position, the rigidity that supports steel loop 4 can stop rubber to continue distortion, and it is constant to keep ventilation section to amass, and guarantees suitable ventilation.When big pressure is born in the compounded rubber air channel; Do not have to support steel loop 4 supporting zone rubber can be under the effect of pressure outside dilatancy; When the rubber deformation position extends to support steel loop 4 Support Positions; The rigidity that supports steel loop 4 can stop rubber to continue dilatancy, thereby the amount of deformation in rubber air channel is limited within certain scope.Through regulating the size of said compounded rubber air channel diameter, the size of ventilation when regulating normal pressure; Through the quantity and the position of adjustable support steel loop 4, the range of expansion in the size of regulating ventilation when bearing negative pressure air channel when bearing big pressure.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention and aim; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. the compounded rubber air channel that can bear negative pressure and big pressure; Comprise rubber air channel main body (1); It is characterized in that said compounded rubber air channel also comprises the support steel loop (4) of being with mounting hole, the inside that said support steel loop is positioned at rubber air channel main body (1) with or the outside; Also be provided with on the said rubber air channel main body (1) with support steel loop (4) on the mounting hole that aligns of mounting hole, said support steel loop (4) is installed on the rubber air channel main body (1) through bolt (2), pad (3) and nut (5).
2. compounded rubber according to claim 1 air channel is characterized in that, rubber air channel main body (1) is made through sulfuration by elastic rubbery body.
3. compounded rubber according to claim 1 air channel is characterized in that, the mounting hole place of rubber air channel main body (1) and support steel loop (4) is through applying suitable pretightening force apart from realizing sealing on nut (5).
4. compounded rubber according to claim 1 air channel is characterized in that, the size of said compounded rubber air channel diameter during according to normal pressure the size of ventilation confirm; The size of the quantity that supports steel loop (4) and position ventilation when bearing negative pressure and when bearing big pressure the range of expansion in air channel confirm.
5. compounded rubber according to claim 1 air channel is characterized in that, said support steel loop (4) adopts stainless steel, and quantity is one or more and evenly distributes; Mounting hole quantity on the said support steel loop (4) is to distribute more than two or two and evenly.
6. compounded rubber according to claim 1 air channel is characterized in that, is coated with happy safe fastening glue during said bolt (2) assembling on the surface, and said nut (5) adopts lock nut.
7. the assembling method in a compounded rubber according to claim 1 air channel may further comprise the steps:
(1) be ready to rubber air channel main body: the size of ventilation is confirmed the size of rubber air channel main diameter during according to normal pressure; Elastic rubbery body is made into rubber air channel main body through sulfuration; And body surfaces forms the punching position sign in the rubber air channel to pass through mould; According to punching position sign, with punching pin on the main body of rubber air channel towards good mounting hole;
(2) confirm to support the quantity and the position of steel loop: the size of ventilation range of expansion in air channel when bearing big pressure confirms to support the quantity and the position of steel loop when bearing negative pressure; The inside that the support steel loop that is drilled with the corresponding mounting hole is placed on rubber air channel main body with or the outside, and make the mounting hole and the mounting hole alignment of supporting on the steel loop of rubber air channel main body;
(3) construction bolt nut: a pad is respectively put at the mounting hole place supporting steel loop surface and rubber air channel body surfaces, the bolt ecto-entad is passed the mounting hole of pad, rubber air channel main body, support steel loop again, and nut is screwed on the bolt;
(4) tighten sealing, accomplish assembling: on nut, apply suitable pretightening force distance, realize the sealing at rubber air channel main body and steel loop mounting hole place, accomplish the assembling in said compounded rubber air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210352176.4A CN102840407B (en) | 2012-09-21 | 2012-09-21 | Assembling method of composite rubber air channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210352176.4A CN102840407B (en) | 2012-09-21 | 2012-09-21 | Assembling method of composite rubber air channel |
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| CN102840407A true CN102840407A (en) | 2012-12-26 |
| CN102840407B CN102840407B (en) | 2014-03-12 |
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| CN201210352176.4A Active CN102840407B (en) | 2012-09-21 | 2012-09-21 | Assembling method of composite rubber air channel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411049A (en) * | 2013-07-22 | 2013-11-27 | 苏州天华有色金属制品有限公司 | Flexible air pipe |
| CN111421852A (en) * | 2020-04-01 | 2020-07-17 | 国际竹藤中心 | Preparation method of multi-wall-layer weather-resistant plant fiber reinforced air pipe |
| CN111421733A (en) * | 2020-04-01 | 2020-07-17 | 国际竹藤中心 | Preparation method of winding-formed composite heat-insulation air pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0556561A1 (en) * | 1992-01-18 | 1993-08-25 | Eilentropp Kg | Heated respiratory hose |
| CN201214421Y (en) * | 2008-08-05 | 2009-04-01 | 铁道部运输局 | Novel composite air duct |
| CN201824864U (en) * | 2010-09-13 | 2011-05-11 | 株洲创春科技实业有限责任公司 | Cooling soft air duct for traction motor of electric locomotive |
| CN202368587U (en) * | 2011-12-20 | 2012-08-08 | 扬州华通橡塑有限公司 | Soft connection air channel for train set ventilation system |
-
2012
- 2012-09-21 CN CN201210352176.4A patent/CN102840407B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0556561A1 (en) * | 1992-01-18 | 1993-08-25 | Eilentropp Kg | Heated respiratory hose |
| CN201214421Y (en) * | 2008-08-05 | 2009-04-01 | 铁道部运输局 | Novel composite air duct |
| CN201824864U (en) * | 2010-09-13 | 2011-05-11 | 株洲创春科技实业有限责任公司 | Cooling soft air duct for traction motor of electric locomotive |
| CN202368587U (en) * | 2011-12-20 | 2012-08-08 | 扬州华通橡塑有限公司 | Soft connection air channel for train set ventilation system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411049A (en) * | 2013-07-22 | 2013-11-27 | 苏州天华有色金属制品有限公司 | Flexible air pipe |
| CN111421852A (en) * | 2020-04-01 | 2020-07-17 | 国际竹藤中心 | Preparation method of multi-wall-layer weather-resistant plant fiber reinforced air pipe |
| CN111421733A (en) * | 2020-04-01 | 2020-07-17 | 国际竹藤中心 | Preparation method of winding-formed composite heat-insulation air pipe |
| CN111421733B (en) * | 2020-04-01 | 2021-11-16 | 国际竹藤中心 | Preparation method of winding-formed composite heat-insulation air pipe |
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| CN102840407B (en) | 2014-03-12 |
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Effective date of registration: 20200608 Address after: 412007 No.301, physical and chemical building, Liyu Industrial Park, no.639, Heilongjiang Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Times Ruiwei damping equipment Co., Ltd Address before: 412007 No. 18 Haitian Road, Tianyuan District, Hunan, Zhuzhou Patentee before: Zhuzhou Times New Material Technology Co.,Ltd. |
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